diff --git a/config/manager/deployment.yaml b/config/manager/deployment.yaml
index 2a3fe0218..3ea2c59ff 100644
--- a/config/manager/deployment.yaml
+++ b/config/manager/deployment.yaml
@@ -39,10 +39,13 @@ spec:
         ports:
           - containerPort: 9090
             name: http
+            protocol: TCP
           - containerPort: 8080
             name: http-prom
+            protocol: TCP
           - containerPort: 9440
             name: healthz
+            protocol: TCP
         env:
           - name: RUNTIME_NAMESPACE
             valueFrom: